A(b+c)=ab+ac
a(5+b)=a(5)+a(b)=5a+ab
B is answer
300 grams = 0.3 kilograms
Answer:
x^2-x+5
Step-by-step explanation:
(f-g)(x)=f(x)-g(x)
= (x^2 + 3) - (x - 2) (Don’t forget the -1 multiplies to the x AND -2
= x^2 + 3 - x + 2
=x^2-x+5
504+640=1144 hope this helps!